CN210683421U - Spunlace circulating water treatment system with ozone sterilization device - Google Patents
Spunlace circulating water treatment system with ozone sterilization device Download PDFInfo
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- CN210683421U CN210683421U CN201921258355.5U CN201921258355U CN210683421U CN 210683421 U CN210683421 U CN 210683421U CN 201921258355 U CN201921258355 U CN 201921258355U CN 210683421 U CN210683421 U CN 210683421U
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Abstract
The utility model discloses a spunlace circulating water treatment system with an ozone sterilization device, which comprises a water-gas separator, a fiber filtration and recovery machine, a flocculation tank, an air floatation tank, a sand filtration tank, a metal filter, a bag filter and an ozone sterilization device which are smoothly and sequentially arranged according to treatment and are connected through pipelines; the ozone sterilization device comprises a sterilization water storage container and an ozone generating device, and the ozone generating device is connected with the bottom of the sterilization tank through a pipeline. The utility model relates to a water thorn circulating water processing system with ozone sterilizing equipment uses ozone to disinfect before water gets into the water thorn head for the colony total number of the circulating water that gets into the water thorn head reduces substantially, makes the water thorn non-woven fabrics of producing satisfy the requirement of sanitary water thorn non-woven fabrics, has improved the quality of non-woven fabrics, has increased the benefit of enterprise. And the ozone has strong sterilization capability on water treatment and small discharge capacity. And can treat the ozone after the sterilization treatment so as to cause no pollution to the environment.
Description
Technical Field
The utility model belongs to the technical field of water thorn circulating water treatment technique and specifically relates to a water thorn circulating water processing system with ozone sterilizing equipment.
Background
The spunlace non-weaving technology is characterized in that the fibers moving on a net supporting curtain are continuously sprayed by utilizing a micropore high-pressure water needle on a water spraying plate, and the fibers in the fiber net are interpenetrated, entangled and cohered under the direct impact of the water needle and the dual action of reflected water, so that the fiber net is reinforced. The water spray plate has very small micropores, and the pore diameter of the micropores is usually in the range of 0.08-1.5mm, so the quality of water has a great influence on the water spray plate. In the water circulation treatment process of the spunlace production process, a plurality of methods such as precipitation, screening and filtration are adopted for water purification treatment, and the filtration mode comprises bag filtration, core filtration, membrane filtration and the like. After the circulating water is subjected to the water filtration treatment, the circulating water is discharged by a high-pressure pump through a water stabbing head to adjust jet flow. When the spunlace nonwoven fabric for hygiene is produced, the bacteria number on the nonwoven fabric has higher requirements, so that the bacteria content in the water for spunlace production is reduced as much as possible by performing sterilization treatment before entering a spunlace head after water filtration treatment, and a foundation is laid for producing qualified products for hygiene.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spunlace circulating water treatment system with an ozone sterilization device, which greatly reduces the total number of bacterial colonies in the circulating water after the ozone sterilization treatment, improves the water quality and lays a foundation for producing high-quality sanitary water spunlace non-woven fabrics; and the ozone has strong sterilization capability on water treatment and small discharge capacity.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
the utility model relates to a spunlace circulating water treatment system with an ozone sterilization device, which comprises a water-gas separator, a fiber filtration and recovery machine, a flocculation tank, an air floatation tank, a sand filtration tank, a metal filter, a bag filter and an ozone sterilization device which are smoothly and sequentially arranged according to treatment and are connected through pipelines; the water-gas separator is connected with a vacuum water suction box arranged in the spunlace machine through a pipeline; the ozone sterilization device is connected with a high-pressure pump through a pipeline, and the high-pressure pump provides high-pressure water flow for a water jet head of the water jet machine; a filter screen type filter is arranged between the high-pressure pump and the water stabs; the air floatation tank is connected with a dissolved air tank;
the ozone sterilization device comprises a sterilization water storage container and an ozone generation device, wherein the ozone generation device is connected with the bottom of the sterilization water storage container through a pipeline and provides ozone for the sterilization water storage container; the bottom of the sterilizing water storage container is also provided with a water inlet pipe and a water outlet pipe.
As a further explanation of the above solution, the upper part of the sterilizing water storage container is communicated with the outside.
As a further explanation of the scheme, the upper part of the sterilization water storage container is connected with an ozone tail gas treatment device through a pipeline.
As a further explanation of the above scheme, the water inlet pipe and the water outlet pipe are provided with control valves.
As a further explanation of the scheme, the flocculation tank comprises a first sub-tank and a second sub-tank which are communicated at the lower parts, wherein the first sub-tank is used for applying a PAC flocculator, and the second sub-tank is used for applying a PAM flocculating agent; the first sub-tank and the second sub-tank are both provided with a stirrer and a medicine adding tank.
As a further explanation of the above scheme, the floatation tank is a shallow floatation device.
As a further illustration of the above scheme, the filtration precision of the bag filter is 5-20 μm.
As a further explanation of the above scheme, the ozone tail gas treatment device is an ozone tail gas absorption device or an ozone tail gas hot air decomposition device.
The utility model has the advantages that: the utility model relates to a water thorn circulating water processing system with ozone sterilizing equipment uses ozone to disinfect before water gets into the water thorn head for the colony total number of the circulating water that gets into the water thorn head reduces substantially, makes the water thorn non-woven fabrics of producing satisfy the requirement of sanitary water thorn non-woven fabrics, has improved the quality of non-woven fabrics, has increased the benefit of enterprise. And the ozone has strong sterilization capability on water treatment and small discharge capacity. And can treat the ozone after the sterilization treatment so as to cause no pollution to the environment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of an ozone sterilization device according to a first embodiment;
fig. 3 is a schematic structural view of an ozone sterilization device in the second embodiment.
The designations in the figures illustrate the following: 1-sterilizing a water storage container; 11-a water inlet pipe; 12-a water outlet pipe; 2-an ozone generating device; 3-ozone tail gas treatment device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example one
This embodiment will be described in detail with reference to fig. 1 and 2. The embodiment relates to a spunlace circulating water treatment system with an ozone sterilization device, which comprises a water-gas separator, a fiber filtration and recovery machine, a flocculation tank, an air flotation tank, a sand filtration tank, a metal filter, a bag filter and an ozone sterilization device which are smoothly and sequentially arranged according to treatment and connected through pipelines.
The water-gas separator is connected with a vacuum suction box arranged in the spunlace machine through a pipeline. The vacuum suction box sucks water sprayed by the water needles to the fiber net, so that the water is sucked to the water-gas separator from the net supporting curtain in time. The water-gas separator can separate water from gas, and the separated water is conveyed to the fiber filtering separator through a pipeline. The fiber filtering and recycling machine can separate fine fibers in water and remove larger fiber impurities.
The flocculation tank comprises a first sub-tank and a second sub-tank which are communicated at the lower parts, the first sub-tank is used for applying a PAC flocculator, and the second sub-tank is used for applying a PAM flocculating agent; the first sub-tank and the second sub-tank are both provided with a stirrer and a medicine adding tank.
PAC is a multivalent electrolyte that significantly reduces the colloidal charge of suspended impurities in water. Because of large molecular weight, strong adsorption capacity and excellent coagulation capacity, the formed flocculating constituent is larger, and the coagulation sedimentation property is better than that of other flocculating agents. The substance has high polymerization degree, short time for forming flocculating constituent, small influence of water temperature and small influence on the pH value of water. The pH value is suitably in the range of 5 to 9. Polyacrylamide (PAM) is a high polymer, has the characteristics of high coagulation speed, small dosage, large and tough flocculating particles and the like, is used together with PAC, and aims to utilize the neutralization effect of an inorganic flocculating agent on colloid particle charges and the excellent flocculation effect of a polymeric flocculating agent to achieve better treatment effect.
The air floatation tank is connected with a dissolved air tank. The air floatation tank is a shallow air floatation device. The used shallow air floating device is a JM-Q type high-efficiency shallow air floating device produced by Hongjin water treatment equipment limited company in Yixing city. Dissolved air tanks are also produced by the company.
The sand filter tank is a pattern plate type sand filter produced by Hongjin water treatment equipment limited company in Yixing city. After sand filtration, the particle size of impurities is not more than 15 μm, and the turbidity of water is not more than 3 NTU.
The nonwoven filter belt used in the bag filter used had a filtration accuracy of not more than 5 μm, in this example 4 μm. The metal filter used was a sintered metal mesh with a filtration accuracy of 10-20 μm, in this example 10 μm.
A filter screen type filter is arranged between the high-pressure pump and the water stabs, the filter screen type filter is a folding steel filter, a stainless steel hollow pipe with a round hole in the side surface is arranged inside the filter screen type filter, a folding metal net is wrapped outside the cylinder, and the filtering precision is 5 microns. The high pressure pump provides a high pressure stream of water to the hydroentangling holes in the hydroentangling head.
An ozone sterilization device is arranged between the high-pressure pump and the bag filter and is used for sterilizing the circulating water. As shown in fig. 2, the ozone sterilization device comprises a sterilization water storage container 1 and an ozone generation device 2, wherein the ozone generation device 1 is connected with the bottom of the sterilization water storage container 1 through a pipeline to provide ozone for the sterilization water storage container 1. The ozone generator 2, i.e. an ozone generator, is commercially available from the existing market. Ozone generators are mainly of three types: the first is a high-voltage discharge type, the second is an ultraviolet irradiation type, the third is an electrolysis type, and the electrolysis type is selected in the embodiment.
The bottom of the sterilization water storage container 1 is also provided with a water inlet pipe 11 and a water outlet pipe 12. The water inlet pipe 11 is communicated with the bag filter, and the water outlet pipe 12 is connected with the high-pressure pump. The water inlet pipe 11 and the water outlet pipe 12 are both provided with control valves for controlling the size of water flow, and the control valves are specifically pneumatic butterfly valves.
In this embodiment, the ozone sterilization device may be disposed outside the plant. The environmental emission of ozone tail gas in the sterilization water storage container 1 is specified to be 0.3 mg/L. Tests show that the ozone generation amount is controlled, and the good sterilization effect can be achieved under the ozone tail gas emission standard. Namely, if the ozone tail gas is outside the workshop, the ozone tail gas can be directly discharged into the atmosphere without causing environmental pollution. Since ozone can be attenuated in air, i.e. below the emission standard, it can be directly discharged. Namely, the upper part of the sterilization water storage container is communicated with the external atmosphere, so that the ozone tail gas is directly discharged into the atmosphere. The specific sterilization water container 1 is a plate with small holes or is directly open.
Example two
The present embodiment will be described in detail with reference to fig. 1 and 3. The difference between the spunlace circulating water treatment system with the ozone sterilization device in the embodiment and the first embodiment is that: the ozone sterilization device in this embodiment is disposed in a workshop. Ozone sterilizing equipment sets up in the workshop, and the workshop is a comparatively confined space relatively, if ozone directly discharges in the workshop, long-time accumulation can be to workman's in the workshop safety production influence, in order to solve this problem, ozone sterilizing equipment's in this embodiment upper portion is through a pipe connection ozone tail gas processing apparatus for handle ozone tail gas, make through the exhaust-gas discharge of processing to the workshop in, can not exert an influence to workman's healthy. And a control valve is provided on the pipe. Specifically, in this embodiment, the ozone tail gas absorption device or the ozone tail gas hot air decomposition device. The water level in the sterilized water storage container 1 can be adjusted not to reach the top by adjusting the water inlet pipe 11 and the water outlet pipe 12. Thereby make unnecessary ozone can follow aquatic effluvium, in addition, in this embodiment, adjust the top that water storage container 1 disinfects and be the toper for ozone tail gas assembles to the exit more easily.
In chinese utility model patent with publication No. CN205288097U entitled "tail gas absorption device for circulating cooling water for ozone treatment", an tail gas absorption device for circulating cooling water for ozone treatment is disclosed, which can be used for the treatment of odor and tail gas in this embodiment.
In chinese utility model patent publication No. CN204338019U, entitled ozone tail gas hot air decomposition device, it is disclosed that an ozone tail gas hot air decomposition device can also be used in this embodiment to treat ozone tail gas.
Circulating water before and after the sterilization treatment in the first embodiment and the second embodiment is detected, and the detection results are shown in the following table. The detection mechanism is the analysis and test center of the applied technology research institute of department in Zhejiang province and Jiaxing province detection technology service company Limited.
It can be seen from the detected data that turbidity has descended one time, and the bacterial colony total number is descended to 232CFU/mL or 198CFU/mL even by 1600CFU/mL, has obtained reduction by a wide margin, and is visible right the utility model relates to a sterilizing equipment who has used the ultraviolet lamp makes the bacterial colony total number of spunlace with circulating water reduce by a wide margin, has improved the quality of circulating water, further improvement the quality of spunlace non-woven fabrics, satisfy the requirement of sanitary water spunlace non-woven fabrics. Specific data are shown in the following table.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A spunlace circulating water treatment system with an ozone sterilization device is characterized by comprising a water-gas separator, a fiber filtration and recovery machine, a flocculation tank, an air floatation tank, a sand filtration tank, a metal filter, a bag filter and the ozone sterilization device which are smoothly and sequentially arranged according to treatment and connected through a pipeline; the water-gas separator is connected with a vacuum water suction box arranged in the spunlace machine through a pipeline; the ozone sterilization device is connected with a high-pressure pump through a pipeline, and the high-pressure pump provides high-pressure water flow for a water jet head of the water jet machine; a filter screen type filter is arranged between the high-pressure pump and the water stabs; the air floatation tank is connected with a dissolved air tank;
the ozone sterilization device comprises a sterilization water storage container and an ozone generation device, wherein the ozone generation device is connected with the bottom of the sterilization tank through a pipeline and provides ozone for the sterilization tank; the bottom of the sterilizing water storage container is also provided with a water inlet pipe and a water outlet pipe.
2. A hydroentangling circulating water treatment system with ozone sterilization device as set forth in claim 1, wherein the upper part of said sterilization water storage container is communicated with the outside.
3. A hydroentangling circulating water treatment system with an ozone sterilization device as set forth in claim 1, wherein an ozone off-gas treatment device is connected to the upper part of the sterilization water storage container through a pipeline.
4. A hydroentangling circulating water treatment system with ozone sterilization device as set forth in claim 1, wherein control valves are provided on said water inlet pipe and said water outlet pipe.
5. A hydroentangling circulating water treatment system with ozone sterilization device as set forth in claim 1, wherein said flocculation tank comprises a first sub-tank and a second sub-tank which are connected at their lower parts, said first sub-tank is used for applying PAC flocculator, said second sub-tank is used for applying PAM flocculator; the first sub-tank and the second sub-tank are both provided with a stirrer and a medicine adding tank.
6. A hydroentangling circulating water treatment system with ozone sterilization device as recited in claim 1, wherein said air flotation tank is a shallow air flotation device.
7. A hydroentangling circulating water treatment system with ozone sterilization device as recited in claim 1, wherein the filtration precision of said bag filter is less than 5 μm.
8. A hydroentangling circulating water treatment system with an ozone sterilization device according to claim 3, characterized in that the ozone off-gas treatment device is an ozone off-gas absorption device or an ozone off-gas hot air decomposition device.
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CN201921258355.5U CN210683421U (en) | 2019-08-05 | 2019-08-05 | Spunlace circulating water treatment system with ozone sterilization device |
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CN201921258355.5U CN210683421U (en) | 2019-08-05 | 2019-08-05 | Spunlace circulating water treatment system with ozone sterilization device |
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